CN204353847U - Bent axle right case inclined oil hole of air bores clamp for machining - Google Patents
Bent axle right case inclined oil hole of air bores clamp for machining Download PDFInfo
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- CN204353847U CN204353847U CN201420843372.6U CN201420843372U CN204353847U CN 204353847 U CN204353847 U CN 204353847U CN 201420843372 U CN201420843372 U CN 201420843372U CN 204353847 U CN204353847 U CN 204353847U
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- 238000003754 machining Methods 0.000 title description 3
- 238000005553 drilling Methods 0.000 claims abstract description 25
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 41
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000004512 die casting Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
本实用新型提出一种曲轴右箱体斜油孔钻加工夹具，包括底板、支撑板和气动夹头；支撑板与底板呈角度倾斜设置，其倾斜角度与斜油孔与箱体平面的倾斜度相同，在支撑板的正面设置有二个形状和位置与被加工箱体背面自带的定位孔相匹配的定位柱，还设置有四个与箱体背面固定台阶相匹配支撑柱；在支撑板的两侧分别设置有气动夹头；所述气动夹头包括气缸、夹持臂和压头，气缸固定安装在支撑板背面，夹持臂一端连接气缸轴，另一端连接压头，压头面向支撑板固定在夹持臂端头，在压头内表面设置有橡胶垫。本实用新型的有益技术效果是能够在准确将箱体夹持在支撑板上且能够准确定位，提高了劳动效率，降低了劳动强度。结构简单，易于安装和维修。
The utility model proposes a jig for drilling the oblique oil hole of the crankshaft right box body, which includes a bottom plate, a support plate and a pneumatic chuck; the support plate and the bottom plate are arranged at an angle, and the inclination angle is the same as the inclination of the inclined oil hole and the plane of the box body Similarly, there are two positioning columns whose shape and position match the positioning holes on the back of the box to be processed on the front of the support plate, and four support columns that match the fixed steps on the back of the box; on the support plate Pneumatic chucks are respectively provided on both sides of the two sides; the pneumatic chuck includes a cylinder, a clamping arm and a pressure head. The cylinder is fixedly installed on the back of the support plate. The support plate is fixed on the end of the clamping arm, and a rubber pad is arranged on the inner surface of the pressure head. The beneficial technical effect of the utility model is that the box body can be accurately clamped on the support plate and can be accurately positioned, thereby improving labor efficiency and reducing labor intensity. Simple structure, easy to install and maintain.
Description
技术领域technical field
本实用新型涉及到铝合金曲轴右箱体斜油孔钻加工技术，特别涉及到一种曲轴右箱体斜油孔钻加工夹具。The utility model relates to an aluminum alloy crankshaft right box body oblique oil hole drilling process technology, in particular to a crankshaft right box body oblique oil hole drilling processing fixture.
背景技术Background technique
曲轴右箱体形状较为复杂，设置有许多轴孔、油孔、定位孔、安装台阶、定位台阶和固定台阶。在曲轴右箱体的中部设置有两个轴孔，在两个轴孔之间设置有联通两个轴孔润滑油孔，由于从箱体平面看这个润滑油孔的轴线为倾斜线，因此，将其称之为斜油孔。由于斜油孔与箱体平面呈倾斜状，在压铸生产曲轴右箱体时无法成形，只能在压铸后采用机械加工的方式成形。现有技术曲轴右箱体斜油孔钻加工方式采用虎钳加垫块的方式固定，采用人工操作将箱体与钻头定位并夹持固定，然后，扳动钻头转轴连杆，实现钻头进刀并对斜油孔进行加工。由于采用人工定位和夹紧，不仅效率较低、劳动强度较大，还容易产生夹持误差。显然，现有技术曲轴右箱体斜油孔钻加工方法存在着效率较低、劳动强度较大和容易产生夹持误差等问题。The shape of the crankshaft right case is relatively complicated, and it is provided with many shaft holes, oil holes, positioning holes, mounting steps, positioning steps and fixed steps. There are two shaft holes in the middle of the right box of the crankshaft, and a lubricating oil hole connecting the two shaft holes is set between the two shaft holes. Since the axis of the lubricating oil hole is an inclined line when viewed from the plane of the box, therefore, Call it an oblique oil hole. Because the oblique oil hole and the plane of the box body are in an inclined shape, it cannot be formed when the crankshaft right box is produced by die-casting, and can only be formed by machining after die-casting. In the prior art, the oblique oil hole drilling method of the crankshaft right box body is fixed by a vise and a cushion block, and the box body and the drill bit are positioned and clamped manually, and then the drill bit rotating shaft connecting rod is pulled to realize the drill bit feeding And process the oblique oil hole. Due to manual positioning and clamping, not only the efficiency is low, the labor intensity is high, but also clamping errors are prone to occur. Apparently, there are problems such as low efficiency, high labor intensity, easy clamping error and the like in the prior art method of drilling the oblique oil hole of the crankshaft right casing.
发明内容Contents of the invention
为解决现有技术曲轴右箱体斜油孔钻加工方法存在的效率较低、劳动强度较大和容易产生夹持误差等问题，本实用新型提出一种曲轴右箱体斜油孔钻加工夹具。本实用新型曲轴右箱体斜油孔钻加工夹具，包括底板、支撑板和气动夹头；支撑板与底板呈角度倾斜设置，其倾斜角度与斜油孔与箱体平面的倾斜度相同，在支撑板的正面设置有二个形状和位置与被加工箱体背面自带的定位孔相匹配的定位柱，还设置有四个与箱体背面固定台阶相匹配支撑柱；在支撑板的两侧分别设置有气动夹头；所述气动夹头包括气缸、夹持臂和压头，气缸固定安装在支撑板背面，夹持臂一端连接气缸轴，另一端连接压头，压头面向支撑板固定在夹持臂端头，在压头内表面设置有橡胶垫。In order to solve the problems of low efficiency, high labor intensity and easy clamping error in the prior art crankshaft right box oblique oil hole drilling method, the utility model proposes a crankshaft right box oblique oil hole drilling jig. The utility model crankshaft right box oblique oil hole drilling fixture includes a bottom plate, a support plate and a pneumatic chuck; the support plate and the bottom plate are arranged at an angle, and the inclination angle is the same as the inclination of the inclined oil hole and the plane of the box body. The front of the support plate is provided with two positioning columns whose shape and position match the positioning holes on the back of the box to be processed, and four support columns that match the fixed steps on the back of the box; on both sides of the support plate Pneumatic chucks are respectively provided; the pneumatic chucks include a cylinder, a clamping arm and a pressure head, the cylinder is fixedly installed on the back of the support plate, one end of the clamping arm is connected to the cylinder shaft, and the other end is connected to the pressure head, and the pressure head is fixed facing the support plate At the end of the clamping arm, a rubber pad is arranged on the inner surface of the pressure head.
进一步的，本实用新型曲轴右箱体斜油孔钻加工夹具，在支撑板的正面设置有二个形状和位置与被加工箱体背面自带的定位孔相匹配的定位柱，包括，定位柱的位置与箱体背面的定位孔位置相对应且使得斜油孔轴线处于竖直位置，定位柱的凸台外径与定位孔内径相同。Further, the crankshaft right box of the utility model is provided with the oblique oil hole drilling jig, and two positioning columns whose shape and position match the positioning holes on the back of the box to be processed are arranged on the front of the support plate, including the positioning column The position corresponds to the position of the positioning hole on the back of the box and makes the axis of the inclined oil hole in a vertical position, and the outer diameter of the boss of the positioning post is the same as the inner diameter of the positioning hole.
进一步的，本实用新型曲轴右箱体斜油孔钻加工夹具，设置有四个与箱体背面固定台阶相匹配支撑柱，包括，四个支撑柱分别设置在箱体的四个角部，其高度在支撑箱体后使得箱体正面平面与支撑板平行。Further, the jig for drilling the oblique oil hole of the crankshaft right box of the utility model is provided with four supporting columns that match the fixed steps on the back of the box, including that the four supporting columns are respectively arranged at the four corners of the box. The height is after supporting the box so that the front plane of the box is parallel to the support plate.
本实用新型曲轴右箱体斜油孔钻加工夹具的有益技术效果是能够在准确将箱体夹持在支撑板上且能够准确定位，提高了劳动效率，降低了劳动强度。并且，结构简单，易于安装和维修。The beneficial technical effect of the utility model is that the crankshaft right box body inclined oil hole drilling processing jig can accurately clamp the box body on the support plate and accurately position it, which improves labor efficiency and reduces labor intensity. Moreover, the structure is simple, and it is easy to install and maintain.
附图说明Description of drawings
附图1为曲轴右箱体斜油孔的示意图；Accompanying drawing 1 is the schematic diagram of the oblique oil hole of crankshaft right casing;
附图2为曲轴右箱体斜油孔剖视示意图；Accompanying drawing 2 is the sectional schematic diagram of the oblique oil hole of crankshaft right casing;
附图3为本实用新型曲轴右箱体斜油孔钻加工夹具的结构示意图；Accompanying drawing 3 is the structural representation of the jig for drilling the oblique oil hole of the crankshaft right casing of the utility model;
附图4为本实用新型曲轴右箱体斜油孔钻加工夹具夹持状态的示意图。Accompanying drawing 4 is the schematic diagram of the clamping state of the jig for drilling the oblique oil hole of the crankshaft right casing of the present invention.
下面结合附图和具体实施例对本实用新型曲轴右箱体斜油孔钻加工夹具作进一步的说明。Below in conjunction with the accompanying drawings and specific embodiments, the utility model crankshaft right casing oblique oil hole drilling fixture is further described.
具体实施方式Detailed ways
附图1为曲轴右箱体斜油孔的示意图，附图2为曲轴右箱体斜油孔剖视示意图，图中，A为斜油孔。由图可知，曲轴右箱体形状较为复杂，设置有许多轴孔、油孔、定位孔、安装台阶、定位台阶和固定台阶。在曲轴右箱体的中部设置有两个轴孔，在两个轴孔之间设置有联通两个轴孔润滑油孔，由于从箱体平面看这个润滑油孔的轴线为倾斜线，因此，将其称之为斜油孔。由于斜油孔与箱体平面呈倾斜状，在压铸生产曲轴右箱体时无法成形，只能在压铸后采用机械加工的方式成形。现有技术曲轴右箱体斜油孔钻加工方式采用虎钳加垫块的方式固定，采用人工操作将箱体与钻头定位并夹持固定，然后，扳动钻头转轴连杆，实现钻头进刀并对斜油孔进行加工。由于采用人工定位和夹紧，不仅效率较低、劳动强度较大，还容易产生夹持误差。显然，现有技术曲轴右箱体斜油孔钻加工方法存在着效率较低、劳动强度较大和容易产生夹持误差等问题。Accompanying drawing 1 is the schematic diagram of the oblique oil hole of the right casing of the crankshaft, and accompanying drawing 2 is a schematic cross-sectional view of the oblique oil hole of the right casing of the crankshaft. In the figure, A is the oblique oil hole. It can be seen from the figure that the shape of the right box of the crankshaft is relatively complex, and there are many shaft holes, oil holes, positioning holes, mounting steps, positioning steps and fixed steps. There are two shaft holes in the middle of the right box of the crankshaft, and a lubricating oil hole connecting the two shaft holes is set between the two shaft holes. Since the axis of the lubricating oil hole is an inclined line when viewed from the plane of the box, therefore, Call it an oblique oil hole. Because the oblique oil hole and the plane of the box body are in an inclined shape, it cannot be formed when the crankshaft right box is produced by die-casting, and can only be formed by machining after die-casting. In the prior art, the oblique oil hole drilling method of the crankshaft right box body is fixed by a vise and a cushion block, and the box body and the drill bit are positioned and clamped manually, and then the drill bit rotating shaft connecting rod is pulled to realize the drill bit feeding And process the oblique oil hole. Due to manual positioning and clamping, not only the efficiency is low, the labor intensity is high, but also clamping errors are prone to occur. Apparently, there are problems such as low efficiency, high labor intensity, easy clamping error and the like in the prior art method of drilling the oblique oil hole of the crankshaft right casing.
附图3为本实用新型曲轴右箱体斜油孔钻加工夹具的结构示意图，附图4为本实用新型曲轴右箱体斜油孔钻加工夹具夹持状态的示意图，图中，1为底板，2为支撑板，3为气动夹头，21为定位柱，22为支撑柱，31为气缸，32为夹持臂，33为压头，B为箱体，由图可知，本实用新型曲轴右箱体斜油孔钻加工夹具，包括底板1、支撑板2和气动夹头；支撑板2与底板1呈角度倾斜设置，其倾斜角度与斜油孔与箱体平面的倾斜度相同，在支撑板2的正面设置有二个形状和位置与被加工箱体背面自带的定位孔相匹配的定位柱21，还设置有四个与箱体背面固定台阶相匹配支撑柱22；在支撑板2的两侧分别设置有气动夹头；所述气动夹头包括气缸31、夹持臂32和压头33，气缸31固定安装在支撑板2背面，夹持臂32一端连接气缸轴，另一端连接压头33，压头33面向支撑板固定在夹持臂32端头，在压头33内表面设置有橡胶垫。为保证箱体夹持后定位的准确性，本实用新型曲轴右箱体斜油孔钻加工装置的定位柱的位置与箱体背面的定位孔位置相对应且使得斜油孔轴线处于竖直位置，定位柱的凸台外径与定位孔内径相同。并且，四个支撑柱分别设置在箱体的四个角部，其高度在支撑箱体后使得箱体正面平面与支撑板平行。采用本实用新型曲轴右箱体斜油孔钻加工装置对箱体斜油孔进行加工时，将箱体背面自带的定位孔插在夹具的定位柱上，同时将箱体放置在是个支撑柱上，开启气动夹头，气缸带动夹持臂旋转并向支撑板方向移动，将箱体夹持在夹持臂与支撑板之间，由于，支撑板倾斜的角度与斜油孔与箱体平面的倾斜度相同，定位柱能保证斜油孔轴线处于竖直位置，支撑柱能保证箱体正面平面与支撑板平行，可以保证钻加工的斜油孔满足设计要求。Accompanying drawing 3 is the structure schematic diagram of the jig for drilling the oblique oil hole of the crankshaft right case of the present utility model, and accompanying drawing 4 is a schematic diagram of the clamping state of the jig for drilling the oblique oil hole of the crankshaft right case of the present utility model. In the figure, 1 is the bottom plate , 2 is a support plate, 3 is a pneumatic chuck, 21 is a positioning column, 22 is a support column, 31 is a cylinder, 32 is a clamping arm, 33 is a pressure head, and B is a box. It can be seen from the figure that the crankshaft of the utility model The jig for drilling the oblique oil hole on the right box body includes a bottom plate 1, a support plate 2 and a pneumatic chuck; The front of the support plate 2 is provided with two positioning columns 21 whose shape and position match the positioning holes carried on the back of the box to be processed, and four support columns 22 that match the fixed steps on the back of the box; on the support plate The two sides of 2 are respectively provided with pneumatic chuck; said pneumatic chuck includes cylinder 31, clamping arm 32 and pressure head 33, cylinder 31 is fixedly installed on the back of support plate 2, clamping arm 32 is connected to the cylinder shaft at one end, and the other end The indenter 33 is connected, and the indenter 33 is fixed on the end of the clamping arm 32 facing the support plate, and a rubber pad is arranged on the inner surface of the indenter 33 . In order to ensure the accuracy of positioning after the box is clamped, the position of the positioning column of the crankshaft right box inclined oil hole drilling device of the utility model corresponds to the position of the positioning hole on the back of the box so that the axis of the inclined oil hole is in a vertical position , the outer diameter of the boss of the positioning post is the same as the inner diameter of the positioning hole. In addition, the four support columns are respectively arranged at the four corners of the box body, and the height thereof is such that the front plane of the box body is parallel to the support plate after supporting the box body. When using the crankshaft right box oblique oil hole drilling device of the utility model to process the oblique oil hole of the box body, the positioning hole on the back of the box body is inserted into the positioning column of the fixture, and the box body is placed on a supporting column , open the pneumatic chuck, the cylinder drives the clamping arm to rotate and move towards the support plate, and the box is clamped between the clamping arm and the support plate, because the angle of inclination of the support plate is the same as that of the inclined oil hole and the plane of the box The same inclination, the positioning column can ensure that the axis of the inclined oil hole is in a vertical position, and the supporting column can ensure that the front plane of the box is parallel to the support plate, which can ensure that the inclined oil hole drilled meets the design requirements.
显然，本实用新型曲轴右箱体斜油孔钻加工夹具的有益技术效果是能够在准确将箱体夹持在支撑板上且能够准确定位，提高了劳动效率，降低了劳动强度。并且，结构简单，易于安装和维修。Obviously, the beneficial technical effect of the utility model crankshaft right case inclined oil hole drilling fixture is that the case can be accurately clamped on the support plate and can be positioned accurately, which improves labor efficiency and reduces labor intensity. Moreover, the structure is simple, and it is easy to install and maintain.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843372.6U CN204353847U (en) | 2014-12-25 | 2014-12-25 | Bent axle right case inclined oil hole of air bores clamp for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843372.6U CN204353847U (en) | 2014-12-25 | 2014-12-25 | Bent axle right case inclined oil hole of air bores clamp for machining |
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| Publication Number | Publication Date |
|---|---|
| CN204353847U true CN204353847U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420843372.6U Expired - Lifetime CN204353847U (en) | 2014-12-25 | 2014-12-25 | Bent axle right case inclined oil hole of air bores clamp for machining |
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| CN (1) | CN204353847U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345511A (en) * | 2015-11-30 | 2016-02-24 | 中国北车集团大同电力机车有限责任公司 | Novel jig for oblique oil hole of wheel of locomotive |
| CN111230538A (en) * | 2020-02-28 | 2020-06-05 | 上海通成企业发展有限公司 | Multi-clamp tool for piston connecting rod and operation method of multi-clamp tool |
| CN111890074A (en) * | 2020-07-15 | 2020-11-06 | 玉林市达志机械配件有限公司 | General frock convenient to bore oblique oilhole of flywheel |
| CN114102212A (en) * | 2021-12-22 | 2022-03-01 | 重庆歇马机械曲轴有限公司 | Combined clamp for milling end of crank and bent rod and drilling central hole |
-
2014
- 2014-12-25 CN CN201420843372.6U patent/CN204353847U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345511A (en) * | 2015-11-30 | 2016-02-24 | 中国北车集团大同电力机车有限责任公司 | Novel jig for oblique oil hole of wheel of locomotive |
| CN111230538A (en) * | 2020-02-28 | 2020-06-05 | 上海通成企业发展有限公司 | Multi-clamp tool for piston connecting rod and operation method of multi-clamp tool |
| CN111230538B (en) * | 2020-02-28 | 2021-09-17 | 上海通成企业发展有限公司 | Multi-clamp tool for piston connecting rod and operation method of multi-clamp tool |
| CN111890074A (en) * | 2020-07-15 | 2020-11-06 | 玉林市达志机械配件有限公司 | General frock convenient to bore oblique oilhole of flywheel |
| CN114102212A (en) * | 2021-12-22 | 2022-03-01 | 重庆歇马机械曲轴有限公司 | Combined clamp for milling end of crank and bent rod and drilling central hole |
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Granted publication date: 20150527 |